September weather forecastStamna, Greece
September
Weather in September
September, the first month of the autumn in Stamna, is still a warm month, with an average temperature varying between 18°C (64.4°F) and 27.1°C (80.8°F).Temperature
In September, the average high-temperature goes from a tropical 32.7°C (90.9°F) in August to a warm 27.1°C (80.8°F). An average minimum temperature of 18°C (64.4°F) marks the month of September in Stamna.Heat index
The heat index value during September is evaluated at 28°C (82.4°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 62%.Rainfall
In Stamna, in September, it is raining for 10.5 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 135.2 rainfall days, and 627mm (24.69") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Stamna, Greece.Daylight
In September, the average length of the day in Stamna, Greece, is 12h and 26min.On the first day of the month, sunrise is at 07:04 and sunset at 20:04. On the last day of September, sunrise is at 07:30 and sunset at 19:19 EEST.
Sunshine
In Stamna, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Stamna is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stamna, Greece
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is August (32.7°C).
The month with the lowest average high temperature is January (11.2°C).
- Average low temperature in September: 18°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5°C).
Average pressure in September
Stamna, Greece
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Stamna, Greece
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest months (with the lowest average wind speed) are June, July and August (7.2km/h).
Average humidity in September
Stamna, Greece
- Average humidity in September: 62%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Stamna, Greece
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is January (113mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in September
Stamna, Greece
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (16 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Stamna, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is March (2mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Stamna, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Stamna, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Stamna, Greece
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in September
Stamna, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Stamna, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Stamna, Greece
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





